You can use Python's combination with replacement method.
from itertools import combinations_with_replacement
import csv
def get_four_numbers(target_sum=100):
result = []
ar = list(range(-100, 101, 1))
for quadruplet in combinations_with_replacement(ar, 4):
if sum(quadruplet) == target_sum:
result.append([i / 100.0 for i in quadruplet])
return result
if __name__ == "__main__":
with open("output.csv", "w") as output_file:
csv_writer = csv.writer(output_file)
csv_writer.writerows(get_four_numbers())
Output from output.csv (truncated due to filesize):
-1.0,0.0,1.0,1.0
-1.0,0.01,0.99,1.0
-1.0,0.02,0.98,1.0
-1.0,0.02,0.99,0.99
-1.0,0.03,0.97,1.0
-1.0,0.03,0.98,0.99
-1.0,0.04,0.96,1.0
.....
References: